QQuestionChemistry
QuestionChemistry
Identify the elements correctly shown by decreasing radii size.
Group of answer choices
N > N^3 -
K+ > K
S- > S^2 -
N^3 - > N
Cu^2 + > Cu+
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Answer
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Step 1: Identify the charges associated with each element.
The charge on an ion is represented as a superscript on the right side of the element symbol (e.g., $N^{3-}$ indicates an ion with 3 more electrons than a neutral nitrogen atom).
Ions with a positive charge will have fewer electrons than their neutral counterparts, while ions with a negative charge will have more electrons.
Step 2: Compare the charges of each pair of ions.
Therefore, $Cu^{2+}$ has a more positive charge than $Cu^+$.
Final Answer
- $N^{3 -}$ compared to N: $N^{3 -}$ has a more negative charge than N. - $N^{3 -}$ compared to N: $N^{3 -}$ has a more negative charge than N. - $K^+$ compared to K: $K^+$ has a less negative charge (more positive) than K. - $S^-$ compared to $S^{2 -}$: $S^{2 -}$ has a more negative charge than $S^-$. - $Cu^{2 +}$ compared to $Cu^+$: $Cu^{2 +}$ has a more positive charge than $Cu^+$.
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